FLUS43 KDTX 180745 HWODTX Hazardous Weather Outlook National Weather Service Detroit/Pontiac MI 345 AM EDT Mon May 18 2026 MIZ047>049-053>055-060>063-068>070-075-076-082-083-190745- Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer- St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- 345 AM EDT Mon May 18 2026 This hazardous weather outlook is for southeast Michigan. .DAY ONE...Today and Tonight The potential exists for severe thunderstorms to develop mainly between 3 and 9 pm today. Storms will be capable of producing damaging wind gusts to 60 mph, hail to one inch in diameter and isolated tornadoes. Storms will track from west to east at 45 to 50 mph. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday The risk for severe weather exists again Tuesday mainly during the afternoon and evening hours, with strong winds, large hail and heavy rainfall possible. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed late this afternoon and evening. $$ LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-190745- Lake St Clair- Michigan Waters of Lake Erie from Detroit River to North Cape MI- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI- Port Sanilac to Port Huron MI- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 345 AM EDT Mon May 18 2026 This hazardous weather outlook is for portions of Lake Erie, Lake Huron and Lake St Clair. .DAY ONE...Today and Tonight The potential exists for severe thunderstorms to develop mainly between 3 and 9 pm today. Storms will be capable of producing damaging wind gusts to 50 knots, hail to one inch in diameter and isolated tornadoes. Storms will track from west to east at 40 to 45 knots. A small craft advisory is in effect through this evening. Refer to the latest marine forecast for details. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday The risk for severe weather exists again Tuesday mainly during the afternoon and evening hours, with strong winds, large hail and heavy rainfall possible. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed late this afternoon and evening. $$ You can obtain your latest National Weather Service forecasts online at www.weather.gov/detroit. MR